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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Update Authentication Failed Error

When Windows Update fails with an authentication failed error, it usually points to a problem wit...

Troubleshooting

Fix OpenVPN Permission Denied on Tun Device

When running OpenVPN, you might see an error like ERROR: Cannot open TUN/TAP dev /dev/net/t...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Update DNS Error: Step-by-Step Guide
                                
If Windows Update fails with an error like 0x80072ee7 or 0x8024402c, a ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Microsoft Store Error 504 Gateway Timeout
                                
When you try to open Microsoft Store and see Error 504 Gateway Timeout, it usual...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix 'Running Scripts Is Disabled' Error in PowerShell
                                
When you try to run a PowerShell script and see 'running scripts is disabled on this syst...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix 'Windows Defender Command Not Found Access Denied'
                                
You type MpCmdRun.exe -Scan -ScanType 2 or another Defender command in Command Promp...



        
            
                
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                    Support Note
                     Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.